Home / 563,498.04-840,280.47-558,444.60

Finding the Fourth Proportional to 563,498.04, 840,280.47 and 558,444.60

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Solution

The fourth proportional to 563,498.04, 840,280.47 and 558,444.60 is: 832,744.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    563,498.04 : 840,280.47 = 558,444.60 : x
  2. Step 2: Convert to fraction form
    563,498.04/840,280.47 = 558,444.60/x
  3. Step 3: Cross multiply
    563,498.04x = 840,280.47 × 558,444.60
  4. Step 4: Simplify right side
    563,498.04x = 469,250,090,956.96
  5. Step 5: Solve for x
    x = 469,250,090,956.96/563,498.04
  6. Step 6: Final answer
    x = 832,744.85

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.